In south Wales we say "Where's it to?" when looking for something.
"Tidy" is "Very good".
"(H)'alf Tidy" is "Very, very good".
"Cowing Luscious" or "Lush" is "Excellent".
"Iss Dooin' my 'ead in" is "It's getting on my nerves".
"I'll ge' my Nan on you!" when addressing an annoying person.

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